Energomera CE308 - Routine Maintenance

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7 ROUTINE MAINTENANCE
7.1 Possible malfunctions and methods for their elimination by the consumer are given in Table 7.1
Table 7.1
Name and signs of the
malfunction
Possible cause Elimination method
1 The LCD is off
1 No voltage at the meter voltage
terminals
2 Failure in the meter’s electronic circuit
1 Check for voltage at the
meter’s voltage terminals
2 Send the meter to repairs
2 The information displayed on the
LCD is not changing, no reaction to
the buttons
1 Failure in the meter's electronic circuit 1 Send the meter to repairs
3 When a load is connected to the
meter, the measuring direction
does not correspond to the true
value
1 Incorrect connection of parallel and/
or serial circuits of the meter
1 Check the correct connection
of circuits
4 During periodic verification, the
error went beyond the permissible
limits
1 The parameters of the elements
determining accuracy in the meter’s
electronic circuit are gone
2 Failure in the meter’s electronic circuit
1 Send the meter to repairs
5 Missing or poor power
accounting via telemetry channels
1 Wrong connection of telemetry lines
to the meter’s terminals
2 The telemetry outputs are poorly
configured
1 Connect the telemetry lines
in accordance with the OM
2 Configure the telemetry
outputs correctly